You will need the following: 1. So how do we do it? I have found a way to make this work the way I intended. Edit the Audyssey target curve for each channel pair to suit your tastes. As for subwoofer(s), make sure you restrict the Frequency Cut-off to either 200/250Hz. We have also learned about the "loudness perception of bass" at the lower spectrum of the frequency range. You are done! Select “File” then “Open” to select the (.ady) file in your Google Drive folder. It really depends on what crossover you have set for your Mains to crossover. Can Audyssey MultEQ be used in a way that improves Image Clarity, or imaging, at the same time that it is improving frequency response, or are the two goals mutually exclusive? Started August 18, 2012, By Make sure the Custom Speaker Type is set to “Small” for all the speakers (FL,C,FR, SLA,SRA,SBL,SBR etc) and the subwoofer(s) set to “Subwoofer”. You are done! Audyssey It may not appear on nearly as many products as it used to, ... Below 400 or 500 Hz or so, I let Dirac set its own target curve points. Screen Reader users press enter to Limit by product. “Audyssey” and “Flat” are likely the most commonly chosen options. The latest Denon and Marantz audio video products use Audyssey … You can either do it at the App level or within the Ratbuddyssey itself. I finally got Audyssey calibration to use my own target curve! We mainly used Ratbuddyssey to allow us to make finer adjustments to our curve setting. InnocentBlood Hmm. Next, uncheck the DynamicEQ (DEQ) checkbox. The role of these filters is to achieve a particular frequency response within the entire listening area for each loudspeaker. This will allow for a more objective assessment. 2.DO NOT remove the original Audyssey calibration file... 3.Do A/B comparison between "flat" Audyssey Reference Target Curve and the new custom "Reference Target House Curve". In my opinion, a good starting point will be somewhere between 500Hz and 5,000Hz (ARC recommendation). It is possible to achieve both good Image Clarity and good frequency response using AMEQ. The issue with the latter is the lack of online tutorial to teach us the basics of how to go about implementing a proper custom house curve and not to mention the endless frustration of using the App on a smaller screen like your smart phone or even a tablet if we are using our fingers to create that custom curve settings. remove the original Audyssey calibration file... between "flat" Audyssey Reference Target Curve and the new custom "Reference Target House Curve". from 20KHz down to say 250Hz/300Hz (Schroeder FR) as well as the ability to exact gains/cuts to the target Audyssey curve (Reference Curve). Limits in correction are imposed at each frequency to prevent the speakers from being overdriven. Oh. One question, the boost for the mains, shouldn't this be proportional to the rated FR of the speaker. Good first choice for listening to music. Audyssey Bypass L/R - The "Bypass L/R" setting uses the MultEQ XT filters that were calculated for the entire listening area, but it does not apply any filtering to the front left and right speakers. Started February 12, By For the latter route, add +3db under the “Custom Level” text field. Edit the Audyssey target curve for each channel pair to suit your tastes. Please use the previous link instead. and then export the modified (.ady) calibration files to the Google Drive folder to be imported into the Audyssey MultEQ Editor App for A/B comparison. Target Curve Designer and Target Curve Editor ... Audyssey Installer-Ready Products with USB communication may be connected to the laptop using the 10 ft. USB cable. Audy_DDMMYY_boost3db_DEQ_off.ady to the same Google Drive folder. For those not using miniDSP or equivalent device to create that "custom" house curve, you can still do so by using the Audyssey MultEQ Editor App (both iOS and Android available). setting precise Max EQ for the frequency range - e.g. the undesirable effects of boomy and bloasted bass in the frequency range that we wish we can avoid. After the 2 channel test, you can put in a movie like the Opening scene of Edge of Tomorrow or the famous True Legend fight scene that I know many XP members adore...Hear the difference and I can almost guarantee you that you will hear a significant difference in the low-frequency extension that DEQ cannot provide. Discussion TL;DR I plugged the calibration mic into a Zoom H1 mic, output that to MiniDSP with a custom eq setting to offset the Audyssey target curve and instead use my target curve and now my system sounds 100x better. This will allow for a more objective assessment. composition The Ratbuddyssey utility paired with Audyssey MultEQ Editor App certainly makes life a little easier for me these days since I can implement and test drive all variations of house curves within matters of minutes and that’s what makes it such a joy to use. Switch between 2 high frequency rolloff target curves. Denon and Marantz Audyssey MultEQ Editor app puts complete home theater customization at your fingertips. While I have recently discussed about the benefits of enabling Dynamic EQ (DEQ) in your AVR. Do Not Sell My Personal Information How can the answer be improved? Instead, you will need to add +3db to the original SW level. Started 9 minutes ago, By For this, you will go to the Target Curve Points panel located just below the Channels panel. Besides allowing users to perform Audyssey calibration by syncing the results with the AVR connected via our home Wi-Fi network, it also allows the users to make finer adjustments to the frequency curve (via Curve Editor feature found within the app itself), turn on/off the Mid-Range Compensation (MRC) or even dictates the frequency range for Audyssey EQ filters to be applied. Enable/Disable midrange compensation to make the vocal region brighter or smoother. Once the room measurements are completed, the Audyssey software calculates a filter for each loudspeaker channel including the subwoofer. Denon and Marantz have launched a new Audyssey MultEQ Editor app, allowing home theater enthusiasts to refine and customize the set-up of their systems for even better surround sound. desray, Adjust the EQ frequency adjustment range for each channel pair. This curve is determined based on several acoustical and program material considerations and is called a “target” or “calibration” curve. Started Sunday at 12:26 PM, By This creates an anaemic bass. This subject definitely needs visiting ..... My relationship with deq is love and hate. © Sound Media International Pty Ltd. All Rights Reserved. Try as many variations in boost as possible using one session and then export the modified (.ady) calibration files to the Google Drive folder to be imported into the Audyssey MultEQ Editor App for A/B comparison. One question, the boost for the mains, shouldn't this be proportional to the rated FR of the speaker. In short, room gain can be an allied to us if we perform Audyssey EQ calibration correctly. The “Audyssey Flat” target curve is selected automatically when you switch to a THX listening mode. StereoNET (Asia) is part of an international network of publications owned wholly by Sound Media Group. Should I use the "overall" system target curve and just give the ~40-60-80 frequency range more of a positive hump (and by how much) and then the rest of the entire curve just slightly decreased across the rest of the range (by how much)? Audyssey Bypass L/R - The "Bypass L/R" setting uses the MultEQ XT filters that were calculated for the entire listening area, but it does not apply any filtering to the front left and right speakers. Notice the greatly smoothed response curve—especially the removal of lumpy bass—in John Sciacca’s graphs. CA Compliance Good job! Of late, I discovered a nifty utility (not perfect though as the creator has no time to iron out some of the kinks but for the most part, the “key” features work so let’s cut him some slack :P ) called Ratbuddyssey which can be downloaded from here: https://github.com/ratbuddy/ratbuddyssey/releases/tag/v0.2.1. Started Saturday at 04:41 AM, By Started February 10, By Blijkbaar gaat er een betalende app komen waarmee je target curves kan zetten. Type in the following: What this does to your target curve can only be viewed after you have exported the modified (.ady) with the custom "house curve" back to the Audyssey MultEQ Editor App. Many did not realize that our speakers and subwoofers "interacts with our room" in ways that we may not realize. Take your time to slowly digest it...Post any questions if you have any. Depending on your crossovers between the Mains and the subwoofer(s) which is usually 80Hz for most bookshelf/tower speakers as well as its corresponding SPL levels, somewhere between 65Hz to 70Hz, we will start to see some roll-off if we set our crossovers to the ubiquitous 80Hz. I can increase up to +6db if I truly want to feel more punch with a higher level (SPL). What this does to your target curve can only be viewed after you have exported the modified (.ady) with the custom "house curve" back to the Audyssey MultEQ Editor App. Let’s say that we want to boost the modal frequency range (say 20Hz – 50Hz) by +3db for our 2 subwoofer(s). Click on “File” and “Save As” and give it a meaningful filename like Audy_DDMMYY_boost3db_DEQ_off.ady (as an example). So if you are interested to know how to do it, do stay tuned for the upcoming tutorial in due course... Nice sharing desray !! Audyssey MultEQ XT correction beyond 300 Hz. boosting the level (SPL) by +3db (as an example). Audyssey’s MultEQ Pro software generates before-and-after response curves from each speaker channel, allowing installers to clearly illustrate what the improvements the software is making. Right. The target curve Audyssey sets is flat, I've read it should be more of a Harman curve for example. Ensure that the Audyssey Curve Type is set to “Flat” (default) instead of “Reference”. dong “Flat”: essentially identical in form & function to “Audyssey”, with the exception being there is no high end roll-off (as seen in the purple target curve appearing in Figure 9.) Adjust the EQ frequency adjustment range for each channel pair. Although you can still use the Curve Editor feature found within the Audyssey MultEQ Editor App to create your custom house curve and it will still work...but you will probably get a headache trying to get the “boost” at the desired frequency center. I will advise the user to set it at 500Hz as a good starting point and slowly work your way up until you find a good “blend” where your Mains and the subwoofer(s) complements each other in a constructive manner. In my room, I find 20Hz – 50Hz at a 3-4db boost to suit me the best in my listening environment (a typical 4 x 4 room layout). Take note, you don't really need to increase by the "same amount" of boost (SPL level) for your Mains...the key here is to try and get the level (SPL) for the Mains to be more or less within the same level as the Subwoofer(s) output level (after boosting it by 3db in this case). Privacy Policy I have recently came across a third party app styled, "Ratbuddyssey App" which is a Windows-based program albeit not perfect but does a few things right - e.g. For another test, I set the front channels to only correct up to 487 hz. We are changing the target curve, … What is a target curve in relation to calibrating with the Audyssey room correction software? The average measured response from the front left and right speakers is used as the target curve for the remaining speakers in the system. Sometimes this so-called "room gains" is needed to in order to "preserve" that "chest slamming" bass that we seek while other times it can also work against us if we fail to "tame" it - i.e. With this new receiver, once I run XT 32 it has me set a target curve for each input. Audyssey MultEQ Editor App (iOS and Android compatible - paidware), 2. A longer cable (up to 16ft. The Music target curve usually works best in highly-treated rooms. This curve is determined based on several acoustical and program material considerations and is called a “target” or “calibration” curve. Can't wait for it, Desray. By Started 3 hours ago, By December 8, 2019 in General Home Theatre Discussion. I mean, if the fronts are rated up to 40hz or 30hz, shouldn't we start the boost from there, or it dosent really matter? If you have not yet added the boost of +3.0db to the trim levels for your subwoofer(s), now is the time to do so by going over to “Speaker Detection Results” option and go to the second tab that allows you to change the Levels (SPL) settings to reflect the same: Once that is done, import the new modified (.ady) calibration file over to the AVR. This is where most EQ in the likes of Audyssey, YPAO, Anthem ARC Genesis etc comes in to eliminate those side-effects of poor room mode. Edit the Audyssey target curve for each channel pair to suit your tastes. 1. Rogerthat am wondering, if can enable the DEQ, but without the bass... wont it be nice :P. For those looking forward to this unofficial tutorial to create a custom house curve using just the Audyssey MultEQ Editor app, it will be out later tmr...working on it now as we speak. I forgot to change it back when I was done. How should I set this in the app? No, as the Audyssey software filters are calculated by taking into account the capability of the speaker and the overall gain structure of the system. The average measured response from the front left and right speakers is used as the target curve for the remaining speakers in the system. Now comes the important bit – i.e. Room correction is a process by which you eliminate (or I should say, attempt to eliminate) the nasty acoustic qualities of a small room. An optional setting like MRC (Mid-Range Compensation) can be turned off easily just by unchecking the check box and it will apply to all speakers. Enough said, let’s dive into the tutorial on how to setup a custom house curve using just the Audyssey MultEQ Editor App without the need for miniDSP (assumption made that you have already achieved a somewhat reasonably good frequency curve for your subwoofers AFTER Audyssey calibration and for that I meant you are able to get a reasonably “flat” response curve from 10Hz to 120Hz thereabouts. Need recommendation for integrated Amplifier, RIP: U Roy - The Natty Rebel - 21 September 1942 - 17 February 2021. Audyssey is trying to ensure that the overall SPL level for the subwoofer(s) and the rest of the speaker arrays will “sound” the same at a given volume level. A laptop or PC with Windows OS installed - this is required since we will be using Ratbuddyssey utility which will run on a Windows OS. The role of these filters is to achieve a particular frequency response within the entire listening area for each loudspeaker. Started Saturday at 05:09 AM, Sound Media International Pty Ltd The first thing you need to do is export the Audyssey calibration file (.ady) over to our laptop so that we can use the Ratbuddyssey utility to make finer adjustments to the curve. Your rating has been submitted, please tell us how we can make this answer more useful. Before we do that, we still need to apply the same amount of boost to the same set of frequency centers (20Hz, 50Hz, 170Hz & 400Hz) for the Mains like so: 400Hz at 0db (assuming we set our Frequency Cut-off range at 500Hz). Switch between 2 high frequency rolloff target curves. InnocentBlood Audy_DDMMYY_boost3db_DEQ_off.ady into the main screen. - The Audyssey MultEQ Editor App will automatically be launched and append the new (.ady) calibration file – i.e. Terms Of Use. Free Delivery & 60-Day Returns* - Everyday! 20Hz and 50Hz), you should “feel” and hear a much more impactful low extension coming from your Mains (especially for those who have a pair of tower-sized speakers or bookshelf speakers that can go down to 40Hz and below). This is the preferred method over the use of the Curve Editor feature found in the Audyssey MultEQ Editor App. Started February 17, By The average measured response from the front left and right speakers is used as the target curve for the remaining speakers in the system. The role of these filters is to achieve a particular frequency response within the entire listening area for each loudspeaker. Audyssey MultEQ XT- Target Curve Service Account Log In | Sign Up Log in using one of your existing accounts (Facebook, Twitter, Google, OpenID) Or continue to the following form to log in with your existing support account. I like the way it handles bass boosts, but don't like the way, it boosts surround channels. Ratbuddyssey utility which can be downloaded from here: https://github.com/ratbuddy/ratbuddyssey/releases/tag/v0.2.1, 4. Audyssey MultEQ Pro User Guide for the Audyssey Sound Equalizer Audyssey Laboratories, Inc, 350 South Figueroa Street, Suite 233, Los Angeles, CA 90071 www.audyssey.com . Some speakers tends to perform better with music when there is no EQ filters being applied to a certain frequency range. In my system/room and for my absolutely subjective tastes, I find both the Harman and B&K curves to be a bit rich in upper bass, masking vocals and important spatial detail. The Audyssey Reference target curve setting (also called Movie in some products) makes the appropriate correction at high frequencies to alleviate this problem. This is a real PITA if you ask me! DO NOT simply at +3db and call it a day. Started Yesterday at 10:19 AM, By More often than not, the so-called “mid-bass punch” or “chest-slam” usually falls anywhere between 20Hz and 70Hz. Audyssey Bypass L/R - The "Bypass L/R" setting uses the MultEQ XT filters that were calculated for the entire listening area, but it does not apply any filtering to the front left and right speakers. The other way which is much easier is the use of an app called "Audyssey MultEQ Editor" which is available for both iOS and Android users. This method will kind of "clash" with the DEQ-RLO concept which I have touched on a while ago. See Target Sound Options (Page 28). The reason for that is because of the way the Audyssey MultEQ Editor App works. Monday to Friday: 10 AM to 6 PM Play some familiar 2 channel music...set the Sound Mode to “Stereo” or “Direct” and then “Pure Direct” (cut off subwoofers and set the Mains to LARGE), feel and hear the difference that your Mains (after adding a +3db boost to the modal frequency range – i.e. Sometimes, there is no need for you to go all the way to +6db boost if your subwoofer(s) is capable of outputting high levels (SPL) at a low-frequency range. A slight roll-off is introduced that restores the balance between direct and reflected sound. As mentioned in my earlier posts, there are 2 ways to create custom house curves - one way is to get an external DSP like miniDSP which worked in tandem with Room EQ Wizard (REW) but it involves some learning curve to know how to use it. I just purchased an Integra DTR-70.3 and got done running Audyssey MultEQ XT 32 but I have a question regarding the Audyssey Target Curve options. Adjust the EQ frequency adjustment range for each channel pair. Before we do that, we still need to apply the same amount of boost to the same set of frequency centers (20Hz, 50Hz, 170Hz & 400Hz) for the Mains like so : titactoh Even big rooms, such as concert halls, have issues, but because of their sheer size the problems are different in nature from those that beset a small room. The keyword here is “your listening area”, not mine due to the difference in “room gain”. So know your subwoofer’s capability and experiment it for yourself. In order to overcome this, we have to apply the same amount of boost (in the is case +3db) to the trim levels of our subwoofer(s). In so doing, whatever boost we have applied to the subwoofer(s) will not be translated to the “actual” results since there the boost to the target curve has been “pushed down” (becomes a cut)  by Audyssey. I’m sure this will help many people out there, One of the many reasons why I like to visit this forum, it’s AD free, Lotsa good technical knowledge too, and that kind gesture to continuously share that knowledge is what makes this place attractive. I've just used the Adyssey Multi EQ app for the first time, and I don't understand why the target curve contains a roll-off in the base and in the upper high range. In gist, the lower the frequency, the more gain in SPL is needed to get the same level of loudness (with 1KHz range as the common baseline). View before and after results of the Audyssey calibration, making it easy to identify room problems Edit the Audyssey target curve for each channel pair to suit your tastes Adjust the overall EQ frequency rolloff for each channel pair The information entered at this screen will be included with the calibration results uploaded to the Audyssey Installer Website, but it will not affect the filters created by MultEQ Pro. As mentioned earlier in this thread, Audyssey did a rather good job in "flattening" the frequency response from 10Hz all the way to 20,000Hz. I will be covering a short tutorial on how to use the App itself to implement a custom house curve to regain that much-needed "ommph" back in the 20Hz to 55Hz range. Audyssey recommends starting with the "Audyssey" or “Audyssey Reference” curve. The reason behind this is simple. Get in touch with one of our specialized Denon product representatives. I'm sure this has been asked many times, but I couldn't find an answer. Why is this so? One misconception - One cannot simply raise the subwoofers by a few dBs and hope to get that "chest-slamming" bass kick. •Edit the Audyssey target curve for each channel pair to suit your tastes •Adjust the overall EQ frequency rolloff for each channel pair •Switch between 2 high frequency rolloff target curves •Enable/Disable midrange compensation to make the sound brighter or smoother The correction made will try and follow the target curve as close as possible. Enable/Disable midrange compensation to make the vocal region brighter or smoother. The Audyssey target curve measurements show that each curve closely mirrors my measurements of the AV7702 from 300Hz up, which shows Audyssey’s technology to be stable and mature. You will see the option that says, “Copy to Drive” as in Google Drive. Do the following: - Select the “…” icon to the right of the file, - Select the “open in” option; it will prepare to export the file, - The Audyssey MultEQ Editor App will automatically be launched and append the new (.ady) calibration file – i.e. If you ask anyone what is the biggest gripe using the Audyssey MultEQ Editor App; most will say the App itself requires a larger screen estate like on a tablet to allow them to “see” and make changes to the frequency curve and even then, it is STILL hard to make some changes with precision using just our fingers or even a stylus. ii. Sorry for the delay in making this tutorial...I've been kinda busy for the past few days. I usually compensate by lowering the surround channel levels. Free at last, free at last! Powered by Invision Community. The default save location is the “My Documents Audyssey Measurements” folder. Simple, use the “Move to” function on the Audyssey MultEQ Editor App and then select the desired (.ady) file and then hit “Send a Copy”. On my old receiver (DTR-40.2), I never had the option to select a target curve. Enable/Disable midrange compensation to make the vocal region brighter or smoother. So do yourself a favor by downloading the Ratduddyssey utility to your laptop/desktop PC before you read on... How to export the (.ady) file? It allows us to make finer changes and adjustments on the original Audyssey calibration file (.ady) and then import back to the Audyssey MultEQ Editor App to be uploaded to our AVR. All hours are Eastern Standard Time. Some purists even believe that the max frequency range for Audyssey EQ filters to be applied should fall somewhere within the Schroeder frequency which usually falls between 100Hz and 300Hz. I wanted to try Marty’s curve and created a TacT target curve approximation, which looks like this And for which the *.cor file may be found attached as BandK 0dB for WBF 6-9-10.COR . alanyeo2003 To regain back those "room gain" that Audyssey destroys, we can "replenish" it using a DSP (e.g. https://github.com/ratbuddy/ratbuddyssey/releases/tag/v0.2.1, with Windows OS installed - this is required since we will be using Ratbuddyssey utility which will run on a Windows OS, Audyssey Curve Type is set to “Flat” (default), Frequency Cut-off range for speakers (Only) to anything between 500Hz and 5,000Hz, set it at 500Hz as a good starting point and slowly work your way up until you find a good “blend” where your Mains and the subwoofer(s) complements each other in a constructive manner, for subwoofer(s), make sure you restrict the Frequency Cut-off to either 200/250Hz, ” option; it will prepare to export the file. How to add the boost to the various frequency range for the subwoofer(s)? Once the export is completed. This curve is determined based on several acoustical and program material considerations and is called a “target” or “calibration” curve. Switch between 2 high frequency rolloff target curves. What is your Mains crossover? kopidilo This button does not work with screen readers. Your browser either does not have JavaScript enabled or does not appear to support enough features of JavaScript to be used well on this site. | I mean, if the fronts are rated up to 40hz or 30hz, shouldn't we start the boost from there, or it doesn't really matter? | Started Monday at 02:45 PM, By Thanks in advance! malsound Hence the safest region to implement a boost IMO will be somewhere between 20Hz and 60Hz. Let’s just say that you decide to crossover your Mains at 80Hz (THX Fixed) so anything below 80Hz will go to the subwoofer(s) while anything above 80Hz will go to the Mains. Audyssey did a fantastic job in "flattening" the frequency response from 10Hz to 22KHz...sometimes too "good" can be a bad thing as it tends to rob you of the natural "room gain" that your your speakers and subwoofer(s) needed at the modal frequency range. Like it better that way. When we boost the subwoofer(s) by +3db for frequency range from 20Hz and 50Hz, the Audyssey target curve will do a "self-course correction" by lowering the entire curve by the same amount of boost you applied. Red is the existing default target curve, blue is my target points from the right side of the image. Next, set your Frequency Cut-off range for speakers (Only) to anything between 500Hz and 5,000Hz. Hold on, we are not done yet! dbchoong In order for us to get a "custom house curve" that fits our "room mode", the pre-requisites are to get your speakers and subwoofer placement correct and then perform a proper Audyssey calibration. ), repeating extension cable or USB-over-CAT5 adapter set may be substituted if … DinhTran The (.ady) will now be exported from the App and into your Google Drive folder. This is where the crossover points come in. The constant gripe that many Audyssey users faced is the lack of that "gritty" bass slam which occurs in the region of 20Hz to 55Hz thereabouts. Audyssey target curve later. As such, we will be disabling DEQ if we wish to implement a custom house curve here. | Next, export the modified (.ady) file – i.e. There is no right or wrong answer here, simply experiment it to hear for yourself which suits you better in your listening area. This little utility albeit "buggy" is a god-send imo. So in simple terms. By Log in using one of your existing accounts (Facebook, Twitter, Google, OpenID) Or continue to the following form to log in with your existing support account. miniDSP) or simply use Audyssey's very own MultEQ Editor app. Started June 23, 2010, By When we add corrections (control points) in Ratbuddy. Note: Music content is not produced with the same standards as film, so, it is difficult to predict which target curve to use. The rest of the options remain intact...any changes like increasing the crossover and trim levels can be performed at the App level since it is much easier and intuitive. wcseow Once this is uploaded to the AVR it would make sense that Audyssey only see's corrections for that specific target curve. Next, go to your laptop/desktop PC and open up a new session on the Ratbuddyssey. Select Channels – Use the radio buttons to the right of the file names to select the channels to which each target curve modifier is applied. To optimize your Mains crossover to the Subwoofer(s), you can use REW and Umik 1 to help you find the best crossover points (I will not be touching on this in details but I will share what I meant if there is enough interest being generated). Looks OK, but wait, nothing happened above ~500hz. For instance, if the initial trim level for your 2 subwoofers as follows: You will need to add “+3db” to the original trim value which will give you: That’s it! For instance, you may come across some AV articles that mentioned "room gain" which comes about when sound waves travels and bounce around within the confines of our listening area. 4. Screen Reader users press enter to Limit by category. First Audyssey needs a target curve so it knows what needs to be corrected. If you truly want to know what is the best level (SPL) and at what frequency to introduce the boost...you need to utilize REW with a calibrated mic like Umik 1. Often overlooked by many users is to apply the same amount of boost to the subwoofer trim levels. Once opened, you will see the interface will be populated with all your associated speakers and subwoofers which resides at the left pane of the utility. The Reference curve adds Audyssey’s signature upper midrange dip, and boosts the treble from 5kHz – 10kHz on my speakers at my approximately 12-foot listening distance.